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tekmar 546 Thermostat Installation User Manual

Data brochure, D 546, Introduction features

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1 of 44

© 2008

D 546 - 07/08

D 546

07/08

tekmarNet

®

4 Thermostat 546

- Data Brochure

Information

Brochure

Choose controls

to match

application

1

Application

Brochure

Design your

mechanical

applications

2

Rough In

Wiring

Rough-in

wiring

instructions

3

Wiring

Brochure

Wiring and

installation of

specific control

4

Job

Record

Record settings &

wiring details for

future reference

6

Data

Brochure

Control settings

and sequence of

operation

5

• tN4 Compatible

• Automatic Heat / Cool Switchover

• 3 Auxiliary Temperature Sensor Inputs

• Pulse Width Modulation

• Programmable Setback and Setup Scheduling

• Scenes

• Cooling Group

• Radiant Base Load

The tekmarNet

®

4 thermostat 546 operates two stages of heating equipment, two stages of cooling equipment, and two

fans. The fan operation includes logic to operate ventilation. The 546 can operate as a stand alone device, or communicate
with a group of tekmarNet

®

4 thermostats.

Introduction

Features

tNt 546

Two Stage Heat, Two Stage Cool, Two Fan

Power: 24 V (ac) ±10% 60 Hz 1.5 VA
Relays: 24 V (ac) 2 A

G1
G1
Rc
Y1
Y2
S3
Com
S2
S1
tN4
C
R
Rh1
W1
Rh 2
W2
G2
G2

Fan 1 Relay
Fan 1 Relay
Power Cooling
Cool 1 Relay
Cool 2 Relay
Sensor 3
Sensor Common
Sensor 2
Sensor 1
tekmarNet 4
Power Neutral
Power 24 V (ac)
Heat 1 Relay
Heat 1 Relay
Heat 2 Relay
Heat 2 Relay
Fan 2 Relay
Fan 2 Relay

DIP Switch Functions

992-01

Terminal Functions

Meets Class B: Canadian ICES, FCC Part 15

®

To isolate
relay, cut
jumper

No Power

Y2 Y1 Rc G1 G1

W1

Rh1

Rh2 W2 G2 G2

R

C

tN4

S1

S2

Com

S3